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Finding the Fourth Proportional to 536,746.26, 740,694.60 and 295,028.76

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Solution

The fourth proportional to 536,746.26, 740,694.60 and 295,028.76 is: 407,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,746.26 : 740,694.60 = 295,028.76 : x
  2. Step 2: Convert to fraction form
    536,746.26/740,694.60 = 295,028.76/x
  3. Step 3: Cross multiply
    536,746.26x = 740,694.60 × 295,028.76
  4. Step 4: Simplify right side
    536,746.26x = 218,526,209,376.70
  5. Step 5: Solve for x
    x = 218,526,209,376.70/536,746.26
  6. Step 6: Final answer
    x = 407,131.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.